- Females who are not pregnant, non-lactating, and either postmenopausal for at least 1 year, surgically sterile (eg, tubal ligation, hysterectomy, etc.) for at least 90 days prior to screening, or agree to use at least one of the following forms of contraception from informed consent until 45 days after Study Completion: a non-hormonal intrauterine device with spermicide; female condom with spermicide; contraceptive sponge with spermicide; diaphragm with spermicide; cervical cap with spermicide; a male sexual partner who agrees to use a male condom with spermicide; or a sterile sexual partner; For all females, a serum pregnancy test result must be negative at Screening and each study period Check-in.